[ 10.592862][ T250] ip (250) used greatest stack depth: 24168 bytes left [ 11.971651][ T281] ip (281) used greatest stack depth: 24128 bytes left [ 13.744457][ T305] br1: port 1(veth1) entered blocking state [ 13.744902][ T305] br1: port 1(veth1) entered disabled state [ 13.745406][ T305] veth1: entered allmulticast mode [ 13.747385][ T305] veth1: entered promiscuous mode [ 13.840837][ T40] br1: port 1(veth1) entered blocking state [ 13.841445][ T40] br1: port 1(veth1) entered forwarding state [ 13.920324][ T309] br1: port 2(veth2) entered blocking state [ 13.920856][ T309] br1: port 2(veth2) entered disabled state [ 13.921484][ T309] veth2: entered allmulticast mode [ 13.923462][ T309] veth2: entered promiscuous mode [ 13.996889][ T236] br1: port 2(veth2) entered blocking state [ 13.997343][ T236] br1: port 2(veth2) entered forwarding state [ 21.514205][ T347] GACT probability NOT on [ 21.692966][ T348] [ 21.693235][ T348] ============================= [ 21.693403][ T348] WARNING: suspicious RCU usage [ 21.693697][ T348] 6.14.0-rc6-virtme #1 Not tainted [ 21.693869][ T348] ----------------------------- [ 21.694033][ T348] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 21.694289][ T348] [ 21.694289][ T348] other info that might help us debug this: [ 21.694289][ T348] [ 21.694576][ T348] [ 21.694576][ T348] rcu_scheduler_active = 2, debug_locks = 1 [ 21.694801][ T348] 1 lock held by mausezahn/348: [ 21.694953][ T348] #0: ffffffffad75b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 21.695245][ T348] [ 21.695245][ T348] stack backtrace: [ 21.695431][ T348] CPU: 3 UID: 0 PID: 348 Comm: mausezahn Not tainted 6.14.0-rc6-virtme #1 [ 21.695435][ T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.695437][ T348] Call Trace: [ 21.695439][ T348] [ 21.695441][ T348] dump_stack_lvl+0xb0/0xd0 [ 21.695448][ T348] lockdep_rcu_suspicious+0x1ea/0x280 [ 21.695458][ T348] dev_hard_start_xmit+0x2fc/0x3f0 [ 21.695468][ T348] __dev_queue_xmit+0xfaf/0x18d0 [ 21.695482][ T348] ? __pfx___dev_queue_xmit+0x10/0x10 [ 21.695487][ T348] ? packet_parse_headers+0x231/0x9c0 [ 21.695496][ T348] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 21.695501][ T348] ? __pfx_packet_parse_headers+0x10/0x10 [ 21.695506][ T348] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 21.695511][ T348] ? dev_get_by_index+0xb2/0x190 [ 21.695522][ T348] packet_snd+0xd0c/0x19d0 [ 21.695534][ T348] ? __lock_release+0x103/0x460 [ 21.695537][ T348] ? __might_fault+0x11b/0x170 [ 21.695544][ T348] ? __pfx_packet_snd+0x10/0x10 [ 21.695546][ T348] ? trace_lock_acquire+0x14c/0x1f0 [ 21.695549][ T348] ? __might_fault+0x11b/0x170 [ 21.695556][ T348] ? lock_acquire+0x32/0xc0 [ 21.695562][ T348] ? __might_fault+0x11b/0x170 [ 21.695573][ T348] __sys_sendto+0x3c3/0x450 [ 21.695579][ T348] ? __pfx___sys_sendto+0x10/0x10 [ 21.695593][ T348] ? sock_ioctl+0x3b6/0x590 [ 21.695603][ T348] ? __pfx___up_read+0x10/0x10 [ 21.695611][ T348] ? do_user_addr_fault+0x374/0xe30 [ 21.695622][ T348] ? do_user_addr_fault+0x374/0xe30 [ 21.695629][ T348] __x64_sys_sendto+0xe0/0x1c0 [ 21.695632][ T348] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 21.695638][ T348] do_syscall_64+0xc1/0x1d0 [ 21.695645][ T348] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 21.695649][ T348] RIP: 0033:0x7f5417ed5a4a [ 21.695654][ T348] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 21.695657][ T348] RSP: 002b:00007ffce51a2e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 21.695660][ T348] RAX: ffffffffffffffda RBX: 000000003ea4a9d0 RCX: 00007f5417ed5a4a [ 21.695662][ T348] RDX: 000000000000008e RSI: 000000003ea4acf2 RDI: 0000000000000005 [ 21.695664][ T348] RBP: 000000003ea4acf2 R08: 00007ffce51a2e10 R09: 0000000000000014 [ 21.695665][ T348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 21.695667][ T348] R13: 000000000000008e R14: 00007ffce51a2e10 R15: 0000000000000000 [ 21.695683][ T348] [ 25.536546][ C3] tc action pedit unable to extract header offset for header type (0x5) [ 29.121438][ C1] tc action pedit unable to extract header offset for header type (0x5) [ 45.505272][ C1] tc action pedit unable to extract header offset for header type (0x4) [ 46.016135][ C1] tc action pedit unable to extract header offset for header type (0x4) [ 48.340885][ T738] br1: port 2(veth2) entered disabled state [ 48.430025][ T739] veth2: left allmulticast mode [ 48.430287][ T739] veth2: left promiscuous mode [ 48.430614][ T739] br1: port 2(veth2) entered disabled state [ 48.511012][ T740] br1: port 1(veth1) entered disabled state [ 48.580525][ T741] veth1: left allmulticast mode [ 48.580819][ T741] veth1: left promiscuous mode [ 48.581182][ T741] br1: port 1(veth1) entered disabled state